EP3662543B1 - Contact mâle électrique pour applications à fort courant et système de connecteur pour applications à fort courant - Google Patents

Contact mâle électrique pour applications à fort courant et système de connecteur pour applications à fort courant Download PDF

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Publication number
EP3662543B1
EP3662543B1 EP18749346.5A EP18749346A EP3662543B1 EP 3662543 B1 EP3662543 B1 EP 3662543B1 EP 18749346 A EP18749346 A EP 18749346A EP 3662543 B1 EP3662543 B1 EP 3662543B1
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EP
European Patent Office
Prior art keywords
cable
contact
contacting
plug contact
housing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP18749346.5A
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German (de)
English (en)
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EP3662543A1 (fr
Inventor
Rolf Wittmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP3662543A1 publication Critical patent/EP3662543A1/fr
Application granted granted Critical
Publication of EP3662543B1 publication Critical patent/EP3662543B1/fr
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Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H01R13/113—Resilient sockets co-operating with pins or blades having a rectangular transverse section
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/533—Bases, cases made for use in extreme conditions, e.g. high temperature, radiation, vibration, corrosive environment, pressure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H01R13/111—Resilient sockets co-operating with pins having a circular transverse section
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/28—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for wire processing before connecting to contact members, not provided for in groups H01R43/02 - H01R43/26

Definitions

  • the invention relates to an electrical plug contact for high-current applications.
  • the invention further relates to a connector system for high-current applications.
  • a damping element contained in the socket contact can weaken the vibrations introduced into the plug connector by the cable and thus protect the contact points, which are subject to life-limiting frictional wear.
  • the damping element consists of a meandering section of the stamped and bent part, which forms the current-conducting element of the socket contact.
  • a contact plug with a plug housing which has a length compensation space in which a cable of the contact plug runs curved.
  • a connector with a strain relief in the form of a curvature is known.
  • An electrical conductor of the plug connector is fixed in position within a housing of the plug connector, the electrical conductor being curved between the position fixation and a contacting element of the plug connector.
  • From the EP 0 276 895 B1 is known a power connector for connecting a cable with a plurality of conductors and a printed circuit board.
  • the invention is based on the knowledge that with the cable cross-sections of several square millimeters (mm 2 ) used for transmitting the high currents, considerable vibration loads are introduced into the contact, which could only be absorbed by a single damping element if it was very delicate and flexible is. At the same time, it should transmit high currents (I >> 10A) with low electrical resistance, which means it has a large conductor cross-section and have short length. This represents a conflict of objectives with the delicate mechanical design.
  • plug contact and a plug connector system in which the plug contact is designed to reliably dampen the vibration loads that occur and thus increase the service life without losing current carrying capacity.
  • the plug contact should be simple and inexpensive to produce.
  • an electrical plug contact for high-current applications comprises a housing which extends along a longitudinal axis and has an interior space for receiving a mating contact element.
  • the plug contact further comprises at least two contacting elements and a cable which is formed from a plurality of strands, the cable being guided from an external space of the housing into the interior of the housing and being fastened to the housing.
  • the cable has an end in the interior, with the cable having a damping section adjacent to the end, in which the cable is split into a plurality of separate line strands, with a contacting element being fixed to at least two line strands.
  • the contacting elements are suitable for electrical and mechanical contacting of the mating contact element. According to the invention, one contacting element is fixed to each of the at least two cable strands.
  • the proposed plug contact advantageously ensures significantly better vibration damping while at the same time having a high current-carrying capacity.
  • no additional elements are required for vibration damping per se, but the components of the cable as such are sufficient. This makes the vibration damping of the plug contact particularly simple and cost-effective.
  • a “plurality of elements” means at least two elements.
  • Contacting elements are preferably connected to most of the cable strands. Contacting elements are particularly preferably connected to all cable strands.
  • the contacting elements can initially be separate elements from the cable or line strands. They can be fixed, for example, by a crimp connection on the wiring harnesses or by a material connection, such as a welded connection or a soldered connection.
  • the contacting elements can be made, for example, as stamped and bent parts from a sheet metal. They can, for example, have a resilient element and/or a type of contact lamella, which points in the direction of the contact surface of the mating contact element to be inserted, for example in a radial direction, i.e. in a direction transverse to the longitudinal axis.
  • the contacting element can also have a latching element, for example in the form of a latching lance which projects obliquely outwards and can be resiliently reversibly sprung inwards.
  • a locking element can be located, for example, in the housing of the plug contact Lock the undercut and thus secure the contacting element against being pulled out of the housing in the opposite direction of insertion.
  • such a locking lance can also be made of plastic, for example, as part of the connector housing and engage in a locking geometry on the contact.
  • the current-carrying cable can preferably be firmly connected to the housing or to a wall of the housing. It can be advantageous to create a connection that is as strong as possible. As a result, the vibrations introduced by the connection can advantageously be dissipated particularly well via the housing.
  • the cable can advantageously have insulation or an insulating jacket at least outside the housing of the plug contact, i.e. in the outside, which is made of a plastic, for example, and does not conduct electrical current well.
  • the insulation or the insulating jacket can also be routed into the interior of the housing.
  • the current-carrying parts of the cable in particular the large number of strands, can be made of a material that conducts electricity very well and includes, for example, copper, aluminum or alloys of these materials.
  • the mating contact element to be inserted into the plug contact usually has a radially outwardly facing surface, its contact surface, which comprises a material from the group of silver, gold, tin, nickel or alloys of the materials mentioned.
  • the strands can also be coated, for example tinned.
  • an extension length of the line strands 5 in the damping section 4 is at least 20% greater than a length L of the damping section 4 along the longitudinal axis A advantageously results in particularly good vibration damping.
  • the damping section can extend between the end of the contacting element facing the wiring harness and the stripping of the cable. If the stripped cable has not yet been separated into individual cable strands over a longer distance, the damping section extends between the cable strand facing end of the contacting element and the point of the cable at which the individual cable strands are routed separately.
  • the cable has an electrically conductive cross section of at least 10mm 2 advantageously ensures that the cable has a high current carrying capacity of at least 10A, preferably at least 50A and most preferably at least 150A.
  • the cable advantageously has an electrically conductive cross section of at least 50mm 2 .
  • the cross section can be determined, for example, perpendicular to the longitudinal axis.
  • each wiring harness is formed from several strands, a particularly high current-carrying capacity of the wiring harnesses and a high mechanical stability of the individual wiring harness are achieved.
  • each line strand has a cross section of at least 0.2mm 2 and at most 6mm 2 advantageously results in a particularly good flexibility of the individual line strands, which results in particularly good vibration damping.
  • each wiring harness is sufficiently mechanically stable and capable of carrying current and a contacting element can be easily connected to it.
  • the cross section of each line strand is particularly preferably in a range of 0.5mm 2 and 2mm 2 .
  • the damping section is arranged completely in the interior of the housing advantageously ensures that the plug contact is compact and the risk of an unwanted short circuit between two plug contacts or of getting caught between two plug contacts remains low.
  • the housing encloses the damping section and houses it.
  • the cable strands in the damping section extend along a shape that is selected from the group: an arch, an omega-shaped loop, a looping advantageously results in particularly good damping of vibrations. Thanks to the proposed shapes, particularly good damping can be achieved in a small space or a short extension length of the damping section along the longitudinal axis. As a result, the plug contact can advantageously be made particularly compact and small. This is a great advantage, for example, when space is limited in automobiles or other technical facilities.
  • the contacting elements are arranged along a circle around an axis, with the axis extending parallel to the longitudinal axis (A), advantageously ensures particularly secure electrical and mechanical contacting of the contact surfaces of the mating contact element.
  • a mating contact element inserted into a contact element designed in this way is automatically centered by the contacting elements in the radial direction, i.e. transversely to the longitudinal axis. If the counter-contact element is displaced in a radial direction by a vibration, the contact pressure on one of the contacting elements could be reduced, but at the same time the contact pressure on the opposite contacting element increases. This ensures reliable electrical contact between the contact element and the mating contact element.
  • a connector system in particular for high-current applications, is proposed.
  • the connector system includes an electrical plug contact as described above.
  • the connector system further includes a mating contact element.
  • the counter-contact element is mechanically and electrically contacted with the contacting elements.
  • the counter-contact element can, for example, have at least one material on its radially outward-facing outer side, which is selected from the group of silver, gold, tin, nickel or alloys of the materials mentioned. This enables a particularly high current carrying capacity and, when using precious metals, particularly good corrosion resistance. This can also result in a particularly low contact resistance.
  • the counter-contact element has a round cross-section
  • the counter-contact element is particularly easy to produce and can be inserted particularly easily into the plug contact or its housing, since there is no preferred direction in the circumferential direction around the longitudinal axis. This also makes contact particularly easy. It can therefore be designed as a so-called round pin.
  • the counter contact element can be inserted into the housing of the plug contact along an insertion direction, for example.
  • the interior of the housing can correspondingly have a circular cross section. This advantageously makes it possible to produce the plug contact in a particularly simple manner. In this way, the counter-contact element can be inserted particularly easily,
  • the contacting element can electrically and mechanically contact contact surfaces of the flat knife and is also particularly reliable for contacting and/or for direct contacting contacts of male connectors designed as flat knives and cost-effective vibration decoupling can be provided.
  • Such contacting can be provided by a single contacting element per flat knife.
  • the flat knife is only electrically contacted on one side. If there are several flat knives on a knife strip, the electrical plug contact can have several contacting elements next to each other, each of which contacts a flat knife.
  • the electrical plug-in contact for contacting each flat knife can, for example, also have two opposing contacting elements, between which the flat knife can then be inserted for contacting.
  • a gap or a slot or a type of shaft can be formed between the opposing contacting elements, into which the flat blade of a male connector is inserted for electrical contacting.
  • the plug contact can have a series of contacting elements lying opposite one another in pairs.
  • Figure 1 shows a cable 1 for an electrical plug contact for high-current applications, the cable extending along a longitudinal axis A.
  • the cable 1 is formed from a large number of strands 5a.
  • Several strands 5a are bundled together to form a wiring harness 5.
  • the cable is thus formed from a plurality of cable strands 5.
  • the line strands 5 are all in electrical and mechanical contact with an adjacent line strand 5 and are not guided separately from one another or spaced apart from one another.
  • This structure makes the cable 1 quite rigid compared to separately routed cable strands 5 or even individual strands 5a. On the other hand, it is more flexible than a cable made of solid material.
  • the cable 1 is very compact in a radial direction R, which extends transversely to the longitudinal axis A and can therefore easily be covered with insulation 2, which is designed as an insulating jacket.
  • the cable 1 also has a high current carrying capacity due to the large number of strands.
  • the strands 5a of the cable 1 can comprise, for example, copper, aluminum, tin, silver or alloys of the materials as a material.
  • the strands can also be coated, for example tinned.
  • the insulation 2 can have an electrical conductivity of at least is two orders of magnitude lower than that of the strands. It can be made of a poorly electrically conductive plastic.
  • the cable 1 is designed to conduct high currents, for example at least 10A, preferably at least 50A and most preferably at least 150A.
  • it can have a cross section of, for example, at least 5mm 2 , preferably at least 10mm 2 and very particularly preferably at least 25mm 2 .
  • the cable 1 can have a cross section of 25mm 2 or 50mm 2 or 100mm 2 .
  • the figure also shows the circumferential direction U, which revolves around the longitudinal axis A.
  • FIG 2a shows a schematic cross section through a connector system 100 for high-current applications.
  • the connector system 100 has an electrical plug contact 10 for high-current applications and a mating contact element 8.
  • the plug contact 10 comprises a housing 20, which extends along a longitudinal axis A and has an interior 21 for receiving the mating contact element 8. Outside the plug contact 1 there is an external space 22 of the plug contact 1.
  • the interior 21 can be delimited by a wall 23.
  • the plug contact 10 further comprises a cable 1, which at least partially corresponds to the cable 1 Figure 1 can correspond. Cable 1 is like the one in Figure 1 formed from a large number of strands 5a.
  • the cable 1 is guided from the outer space 22 of the housing 20 into the interior 21 of the housing 20 and attached to the housing 20.
  • the attachment can be carried out using conventional fastening means 9, for example with clamps, union nuts, clamps, etc.
  • the cable 1 has an end 1a in the interior 21.
  • the cable 1 has a damping section 4 adjacent to the end 1a.
  • the cable 1 is split into a plurality of separate cable strands 5 in the damping section 4.
  • Wiring harnesses 5 shown are the wiring harnesses 5 of Figure 2a in the damping section 4 therefore do not lie closely together and are not in mechanical and / or electrical contact with at least one adjacent line strand 5 along their extension. Rather, they are separate from one another and therefore mechanically decoupled from one another at least in the radial direction R.
  • a contacting element 6 is fixed to at least two line strands 5. These contacting elements 6 are suitable for mechanically and mechanically contacting the mating contact element 8 when inserted into the housing 20 to contact electrically.
  • the contacting elements 6 are arranged facing each other in the housing 20 and delimit a contacting space 7 into which the counter-contact element 8 can be inserted.
  • the contacting elements 6 have contact lamellae 6a on their surfaces facing the contacting space 7, which can be designed as resilient contact tongues and can come into mechanical and electrical contact with a contacting surface of the mating contact element 8 as soon as the mating contact element is inserted into the contacting space 7.
  • the contacting elements can be fixed in their position in the housing 20 with a narrow tolerance along the longitudinal axis A, for example by an in Fig. 4 Locking lance 6c shown, which locks in the interior 21 of the housing 20.
  • the vibration decoupling of the cable 1 is made possible by the damping section 4, which in the exemplary embodiment shown is arranged completely in the interior 21 and is enclosed by the housing 20.
  • the damping section 4 has a length L along the longitudinal axis A, which extends between the end of the contacting elements 6 facing the damping section 4 and the splitting of the line strands 5 into separate line strands 5.
  • the line strands on the other hand, have a length L1 in the damping section 4 along their respective extension direction, which is at least 10% greater than the length L of the fastening section 4.
  • the length L1 of the line strands 5 is at least 50% greater than the length of the fastening section 4.
  • Figure 2b shows a top view of an insertion opening 25 for the mating contact element 8 in the housing 20.
  • Six contacting elements 6 are shown as an example with their contact lamellae 6a facing the contacting space 7.
  • the contacting elements 6 are arranged on a circle that revolves around an axis that runs parallel to the longitudinal axis A.
  • Figure 2c shows a top view of the cable 1 in the plug contact 10 Figure 2a . It is shown from right to left how the cable strands 5 initially run intertwined within the insulation 2. The cable strands 5 then continue to run intertwined with one another as in Figure 1 in a stripped section. Finally comes the damping section, in which the cable strands 5 are unbraided, i.e. run separately from one another - they are mechanically decoupled from one another here.
  • the contacting elements 6 adjoin the damping section 4 and are each fastened to a free end of a separate wiring harness 5 in a connecting section 6b of the contacting element 6.
  • the wiring harness 5 can be crimped (see Figure 2c ), but it can also be soldered, welded or glued on with a conductive adhesive, for example.
  • the contacting elements can be made, for example, from a thin or thicker metal sheet with a material thickness of 0.1mm to 5mm, preferably 1mm to 3mm. They can be designed as stamped and bent parts.
  • the counter contact element 8 can be designed, for example, as a round element or contact knife. It can have aluminum or copper or silver as a material or alloys of these substances. On its outer radial surface it can be coated, for example, with a material which contains gold, silver, copper, platinum, tin or alloys of these materials.
  • FIG. 3a shows the shape of an arch.
  • Figure 3b shows the shape of an omega-shaped loop and
  • Figure 3 shows the shape of a loop or a loop-shaped loop.
  • Figure 4 shows a connector system 100, in which the mating contact element 8 is formed by a flat knife 30 with a contact surface 31.
  • the housing 20 was also omitted, which ensures that the contacting element 6 is pressed against the contacting surface 31 (similar to an insertion slot for an SD card in an SD card reader).
  • the damping section 4 At the left end of the The figure shows the damping section 4, at the end (further to the right) of which the contacting element 6 is crimped, for example, in the connecting section 6b.
  • the contacting element 6 contacts the contact surface 31 of the flat knife with its contact lamella 6a.
  • an elastically reversible locking lance 6c which can be resiliently reversibly sprung inwards, is arranged, for example, and can lock in an undercut of the housing 20 of the plug contact 1, not shown here.
  • the flat knife 30 can also have a further contact surface on its side facing away from the contact surface 31, which points downward in the figure.
  • the contact can then be made through an electrical plug contact 10, which is like the one in Fig. 4 is formed, but has a further contacting element, which lies opposite the contacting element 6 and electrically and mechanically contacts the further contact surface.
  • a gap or slot or shaft can be formed between the contacting element 6 and the further contacting element, into which the flat knife 30 can be inserted, so that its contact surface 31 and further contact surface are electrically contacted by the contacting element 6 or the further contacting element.
  • the contacting element 6 and the further contacting element can be mechanically connected to one another in such a way that they clamp the flat knife 30 between them and thus always apply a sufficiently high contact force acting on the flat knife on both sides.
  • Such an electrical plug contact 10 can also contact several flat blades of a male connector at the same time. In this case, several pairs of opposing contacting elements 6 and further contacting elements are arranged next to each other in a row.
  • vibration-damped direct contacting of flat knives e.g. flat knives of a knife strip
  • flat knives e.g. flat knives of a knife strip

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)

Claims (9)

  1. Contact électrique enfichable pour applications à fort courant, comprenant
    -- un boîtier (20) qui s'étend le long d'un axe longitudinal (A) et qui présente un espace intérieur (21) pour recevoir un élément de contact complémentaire (8),
    -- un câble (1) formé d'une pluralité de torons (5a),
    le câble (1) étant guidé depuis un espace extérieur (22) du boîtier (20) vers l'espace intérieur (21) du boîtier (20) et étant fixé au boîtier (20),
    le câble (1) présentant une extrémité (1a) dans l'espace intérieur (21),
    -- au moins deux éléments de contact (6) qui sont appropriés pour établir un contact électrique et mécanique avec l'élément de contact complémentaire (8) ; le câble (1) présentant une section d'atténuation (4) voisine de l'extrémité (1a), dans laquelle le câble (1) est divisé en une pluralité de brins de ligne séparés (5),
    un élément de contact (6) à chaque fois étant fixé sur au moins deux brins de ligne (5),
    chaque brin de ligne (5) étant formé de plusieurs torons (5a) .
  2. Contact électrique enfichable selon la revendication 1,
    une longueur d'extension (L1) des brins de ligne (5) dans la section d'atténuation (4) étant supérieure d'au moins 20 % à une longueur (L) de la section d'atténuation (4) le long de l'axe longitudinal (A).
  3. Contact électrique enfichable selon l'une quelconque des revendications précédentes,
    le câble (1) présentant une section transversale électriquement conductrice d'au moins 10 mm2.
  4. Contact électrique enfichable selon l'une quelconque des revendications précédentes,
    chaque brin de ligne (5) présentant une section transversale d'au moins 0,2 mm2 et d'au plus 6 mm2.
  5. Contact électrique enfichable selon l'une quelconque des revendications précédentes,
    la section d'atténuation (4) étant entièrement agencée dans l'espace intérieur (21) du boîtier (20).
  6. Contact électrique enfichable selon l'une quelconque des revendications précédentes,
    les brins de ligne (5) dans la section d'atténuation (4) s'étendant le long d'une forme choisie dans le groupe : un arc, une boucle en forme d'oméga, une boucle.
  7. Contact électrique enfichable selon l'une quelconque des revendications précédentes,
    les éléments de contact (6) étant agencés le long d'un cercle autour d'un axe,
    l'axe s'étendant parallèlement à l'axe longitudinal (A).
  8. Système de connecteur enfichable, comprenant :
    -- un contact électrique enfichable (10) selon l'une quelconque des revendications précédentes,
    -- un élément de contact complémentaire (8) qui est en contact mécanique et électrique avec les éléments de contact (6).
  9. Système de connecteur enfichable selon la revendication précédente,
    l'élément de contact complémentaire (8) présentant une section transversale ronde
    et/ou
    l'élément de contact complémentaire (8) étant configuré sous forme de lame plate (30) et le contact enfichable (10) étant configuré pour être enfilé sur la lame plate (30), l'élément de contact (6) établissant un contact électrique et mécanique avec des surfaces de contact (31) de la lame plate (30).
EP18749346.5A 2017-07-31 2018-07-31 Contact mâle électrique pour applications à fort courant et système de connecteur pour applications à fort courant Active EP3662543B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017213150.0A DE102017213150A1 (de) 2017-07-31 2017-07-31 Elektrischer Steckkontakt für Hochstromanwendungen und Steckverbindersystem für Hochstromanwendungen
PCT/EP2018/070668 WO2019025402A1 (fr) 2017-07-31 2018-07-31 Contact mâle électrique pour applications à fort courant et système de connecteur pour applications à fort courant

Publications (2)

Publication Number Publication Date
EP3662543A1 EP3662543A1 (fr) 2020-06-10
EP3662543B1 true EP3662543B1 (fr) 2024-02-28

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Application Number Title Priority Date Filing Date
EP18749346.5A Active EP3662543B1 (fr) 2017-07-31 2018-07-31 Contact mâle électrique pour applications à fort courant et système de connecteur pour applications à fort courant

Country Status (5)

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US (1) US11024997B2 (fr)
EP (1) EP3662543B1 (fr)
CN (1) CN110892590B (fr)
DE (1) DE102017213150A1 (fr)
WO (1) WO2019025402A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017213150A1 (de) * 2017-07-31 2019-01-31 Robert Bosch Gmbh Elektrischer Steckkontakt für Hochstromanwendungen und Steckverbindersystem für Hochstromanwendungen
FR3098745B1 (fr) * 2019-07-15 2022-06-24 Nidec Psa Emotors Procédé de soudage sans apport de matière

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CN110892590B (zh) 2021-05-07
EP3662543A1 (fr) 2020-06-10
WO2019025402A1 (fr) 2019-02-07
US11024997B2 (en) 2021-06-01
CN110892590A (zh) 2020-03-17
DE102017213150A1 (de) 2019-01-31

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